Rio has first right of refusal over Bougainville Copper

[caption id="attachment_794804" align="aligncenter" width="600"] Panguna copper and gold mine once generated over 40% of PNG's GDP.[/caption] Papua New Guinea’s autonomous region of Bougainville last week passed a new mining bill that stripped mining rights from Rio Tinto’s (LON, ASX:RIO) subsidiary Bougainville...